Description
MA31 –
PAI 121196 is a Viton injector mounting O-ring used on Cummins fuel-injector applications. PAI’s own kit documentation directly maps:
PAI 121196 → Cummins 193736
Cummins 193736 is identified as an injector O-ring seal, and Cummins data shows 3070665 as the older/replaced number.
Verified PAI specifications:
- Inside diameter: 1.114 in / 28.3 mm
- Cross section: 0.070 in / 1.78 mm
- Material: Viton
- Durometer: 75
- Coating: Orange Teflon/PTFE
- AS568 size: -024


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